Class A Schellbach Borosilicate Glass Burette with Glass Stopcock, Blue Graduations Capacity:50mL this universal clamp holder accepts

this universal clamp holder accepts rods up to 20 mm in diameter and bolts securely to retort stands for oversized load support

diverting a calibrated portion of bench-supply current around the meter coil so the galvanometer reads heavier loads safely

these large rubber vinyl aprons deliver waterproof

this 2-input XOR gate module shows HI and LO output states with red and green LEDs and a printed reference

glowing as the hand-driver pulley spins to confirm successful electrical generation during energy-conversion lessons

Class A Schellbach Borosilicate Glass Burette with Glass Stopcock, Blue Graduations Capacity:50mL this universal clamp holder acceptsDark Schellbach stripe inlaid behind the scale sharpens meniscus reading during precision titration, paired with a ground glass stopcock for traditional flow control.